in6addr_any variable which has in6_addr type. In static initializations, IN6ADDR_ANY_INIT ... sin6_flowinfo; /* IPv6 flow information */ struct in6_addr sin6_addr; /* IPv6 address …ifreq structure: struct in6_ifreq { struct in6_addr ifr6_addr; u32 ifr6_prefixlen; int ifr6cross-connect. Type of param : struct in6_addr . SEG6_LOCAL_ACTION_END_T End.T action